Chandran R, Verma M. Role of ultrasonogram in chronic lower abdominal pain: special reference to gyenecologoical problems. Obg Rev: J Obstet Gynecol [Internet]. 2017Sep.30 [cited 2024Dec.22];3(3):21-4. Available from: https://obstetrics.medresearch.in/index.php/joog/article/view/106